and got this site:
Then I went here with the city information (Asaka City- so I suppose "dai" means city as a suffix)
you can see it on the bottom of the map (close to Tokyo!) in the second from the right group of cities!
They are arranging the exact place, but according the Sakura house website, it's about 40 minutes to Shinjuku (Tokyo) including walking (12 minutes!) fast commute!! I am so excited! I cant wait to see all my friends!